Add release notes for 2.2.0.0 release (#1050)

Signed-off-by: Craig Perkins <cwperx@amazon.com>
(cherry picked from commit 7cb5ac5)

release-notes/opensearch-security-dashboards-plugin.release-notes-2.2.0.0.md

@@ -0,0 +1,18 @@
+## 2022-08-11 Version 2.2.0.0
+
+Compatible with Opensearch-Dashboards 2.2.0
+
+### Test Fix
+
+* Add tests for account-nav-button when multitenancy is disabled ([#1020](https://github.com/opensearch-project/security-dashboards-plugin/pull/1020))
+
+### Bug Fix
+
+* Fix bug in SAML support after renaming ([#895](https://github.com/opensearch-project/security-dashboards-plugin/pull/895))" ([#1035](https://github.com/opensearch-project/security-dashboards-plugin/pull/1035))
+* Fix bug in support for jwt.url_param customization ([#1025](https://github.com/opensearch-project/security-dashboards-plugin/pull/1025))
+* Get security_tenant search param from URL ([#1024](https://github.com/opensearch-project/security-dashboards-plugin/pull/1024))
+
+### Maintenance
+
+* Updates Dev guide ([#897](https://github.com/opensearch-project/security-dashboards-plugin/pull/897))
+* Increment version to 2.2.0.0 ([#1032](https://github.com/opensearch-project/security-dashboards-plugin/pull/1032))